CN208344905U - A kind of pipe cap - Google Patents

Abstract

The utility model discloses a kind of pipe caps, including outer race section, the outer race section includes sealing head, pipe sleeve portion and several pressure arms, the right end of the sealing head is arranged in the pipe sleeve portion, the right end in the pipe sleeve portion is arranged in several pressure arms, which also has interior piston part and rubber ring, and the interior piston part is mounted in the middle part of the right end of the sealing head, and the inner cavity in the pipe sleeve portion is run through in the interior piston part, the rubber ring is arranged in the annular groove in the pipe sleeve portion.Pipe cap provided by the utility model is not easily to fall off in use.

Description

A kind of pipe cap

Technical field

The utility model relates to pipe fitting blocking technology fields, and in particular to a kind of pipe cap.

Background technique

Stainless steel tube transport, storage when, answer cleaning and it is necessary to isolating and protecting measure, to avoid dust, greasy dirt, iron Rust pollutes stainless steel tube.Enterprise blocks usually using both ends of the pipe cap to stainless steel tube, to prevent stainless steel tube Inside is contaminated, but existing pipe cap falls off vulnerable to concussion during transportation, so that the safeguard procedures of pipe fitting fail.

Utility model content

In view of this, the present invention provides a kind of pipe caps not easily to fall off.

To achieve the above object, the utility model provides the following technical solutions: a kind of pipe cap, including outer race section, described outer Set portion includes sealing head, pipe sleeve portion and several pressure arms, and the right end of the sealing head is arranged in the pipe sleeve portion, several pressure arms The right end in the pipe sleeve portion is set, which also has interior piston part and rubber ring, and the interior piston part is mounted on the sealing head Right end in the middle part of, and the inner cavity in the pipe sleeve portion is run through in the interior piston part, and the annular in the pipe sleeve portion is arranged in the rubber ring In slot.

Further, the interior piston part includes that pedestal, boom and several taper support sets, the pedestal are mounted on the envelope In groove in the middle part of the right end of head, the boom is connected to the right end of the pedestal, several taper support sets are connected to one in turn It rises, several taper support sets are connected to the right end of the boom.

Further, there is annular space between two adjacent taper support sets.

Further, the interior piston part further includes guide head, and the taper support set of right end is arranged in the guide head Right end, the right end of the guide head have the guiding conical surface.

Further, the inner wall of the pressure arm is equipped with friction pad.

Further, several pressure arms are uniformly arranged on the right end in the pipe sleeve portion.

Further, the pressure arm is 3 or 6.

It can be seen from the above technical scheme that the utility model has the advantages that:

1, compared with prior art, the interior piston part of the utility model can be protruded into the lumen of steel pipe, simultaneously bulging steel pipe is interior Tube wall, so that interior piston part is not easy to fall off out of steel pipe, rubber ring can be tightly pressed on the annular groove and steel pipe in pipe sleeve portion Between outer wall, several pressure arms can be tightly pressed on the outer wall of steel pipe, so that outer race section is not easy to fall off from steel pipe, thus So that pipe cap is not easily to fall off in use.

Other than objects, features and advantages described above, there are also other purposes, feature and excellent for the utility model Point.Below with reference to figure, the utility model is described in further detail.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.In the accompanying drawings:

Structural schematic diagram when Fig. 1 is the use of the utility model.

Fig. 2 is the structural schematic diagram of the utility model.

In the figure, it is marked as outer race section 11, sealing head 111, groove 1111, pipe sleeve portion 112, annular groove 1121, pressure arm 113, Support socket part 1131, pressure folder portion 1132, friction pad 1133, inner cavity 114, interior piston part 12, pedestal 121, boom 122, taper support set 123, annular space 124, guide head 125, the guiding conical surface 1251, rubber ring 13, steel pipe 2.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Referring to figs. 1 to Fig. 2, a kind of pipe cap as shown in Figure 1, including outer race section 11, outer race section 11 include sealing head 111, The right end of sealing head 111 is arranged in pipe sleeve portion 112 and several pressure arms 113, pipe sleeve portion 112, several pressure arms 113 are arranged in pipe The right end in set portion 112, the pipe cap also have interior piston part 12 and rubber ring 13, and interior piston part 12 is mounted in the right end of sealing head 111 Portion, and the inner cavity 114 in pipe sleeve portion 112 is run through in interior piston part 12, rubber ring 13 is arranged in the annular groove 1121 in pipe sleeve portion 112.

In the present embodiment, as shown in Figure 1 and Figure 2, interior piston part 12 includes pedestal 121, boom 122 and several taper support sets 123, pedestal 121 is mounted in the groove 1111 in the middle part of 111 right end of sealing head, and boom 122 is connected to the right end of pedestal 121, if A dry taper support set 123 is connected in turn, several taper support sets 123 are connected to the right end of boom 122, and adjacent two There is annular space 124, when the lumen of steel pipe 2 is protruded into interior piston part 12, taper support set made of rubber between taper support set 123 123 are squeezed, and the peripheral part of taper support set 123 tightly supports on the inner tubal wall of steel pipe 2, so that interior piston part 12 is not Easily fall off out of steel pipe 2.

In the present embodiment, as shown in Figure 1 and Figure 2, interior piston part 12 further includes guide head 125, and guide head 125 is arranged most right The right end of the taper support set 123 at end, the right end of guide head 125 have the guiding conical surface 1251, convenient for steel pipe 2 is inserted into interior piston part 12 Lumen in.

In the present embodiment, as shown in Figure 1 and Figure 2, several pressure arms 113 are uniformly arranged on the right end in pipe sleeve portion 112, pressure arm 113 have support socket part 1131 and pressure folder portion 1132, and support socket part 1131 is connected on the right side in pipe sleeve portion 112, press folder portion 1132 It can tightly be pressed on the outer wall of steel pipe 2, so that outer race section 11 is not easy to fall off from steel pipe 2, on the inner wall for pressing folder portion 1132 Equipped with friction pad 1133, so that several pressure arms 113 are relatively reliable to the clamping of the outer wall of steel pipe 2.

Preferably, pressure arm 113 is 3 or 6.

In the present embodiment, as shown in Figure 1, interior piston part 12 can protrude into the lumen of steel pipe 2 and the inner tubal wall of bulging steel pipe 2, So that interior piston part 12 is not easy to fall off out of steel pipe 2, rubber ring 13 can be tightly pressed on the annular groove 1121 in pipe sleeve portion 112 with Between the outer wall of steel pipe 2, several pressure arms 113 can be tightly pressed on the outer wall of steel pipe 2, so that outer race section 11 is not easy from steel It falls off on pipe 2, so that pipe cap is not easily to fall off in use.

The above is only the preferred embodiments of the utility model, are not intended to limit the utility model, for this field Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model, Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (7)

1. a kind of pipe cap, including outer race section (11), which is characterized in that the outer race section (11) includes sealing head (111), pipe sleeve portion (112) and the right end in the sealing head (111), several pressure arms are arranged in several pressure arms (113), the pipe sleeve portion (112) (113) right end in the pipe sleeve portion (112) is set, which also has interior piston part (12) and rubber ring (13), the internal plug Portion (12) is mounted in the middle part of the right end of the sealing head (111), and the interior piston part (12) is through the interior of the pipe sleeve portion (112) Chamber (114), rubber ring (13) setting is in the annular groove (1121) of the pipe sleeve portion (112).

2. pipe cap according to claim 1, which is characterized in that the interior piston part (12) includes pedestal (121), boom (122) and several taper support sets (123), the pedestal (121) are mounted on the groove in the middle part of the sealing head (111) right end (1111) in, the boom (122) is connected to the right end of the pedestal (121), several taper support sets (123) are connected in turn Together, several taper support sets (123) are connected to the right end of the boom (122).

3. pipe cap according to claim 2, which is characterized in that have annular between two adjacent taper support sets (123) It is spaced (124).

4. pipe cap according to claim 2, which is characterized in that the interior piston part (12) further includes guide head (125), described The right end of the taper support set (123) of right end is arranged in guide head (125), and the right end of the guide head (125) has guide cone Face (1251).

5. pipe cap according to claim 1, which is characterized in that the inner wall of the pressure arm (113) is equipped with friction pad (1133)。

6. pipe cap according to claim 1, which is characterized in that several pressure arms (113) are uniformly arranged on the pipe sleeve portion (112) right end.

7. pipe cap according to claim 6, which is characterized in that the pressure arm (113) is 3 or 6.